Explain the process of cross-multiplying to solve for a missing side length.
Determine the missing parts of a polygon and find the perimeter
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Mathematics
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11th Grade - University
•
Hard
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The video tutorial guides students through finding scale factors and perimeters of polygons. It begins with setting up ratios for proportional sides, solving for unknown side lengths using cross-multiplication, and concludes with calculating the perimeters of the polygons. The teacher emphasizes understanding proportional relationships and applying them to solve geometric problems.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What are the final perimeter values calculated for both polygons?
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